DE69929069D1 - PROCESS AND ADVICE FOR CELPING CODING AND DECODING - Google Patents

PROCESS AND ADVICE FOR CELPING CODING AND DECODING

Info

Publication number
DE69929069D1
DE69929069D1 DE69929069T DE69929069T DE69929069D1 DE 69929069 D1 DE69929069 D1 DE 69929069D1 DE 69929069 T DE69929069 T DE 69929069T DE 69929069 T DE69929069 T DE 69929069T DE 69929069 D1 DE69929069 D1 DE 69929069D1
Authority
DE
Germany
Prior art keywords
celping
advice
decoding
coding
celping coding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69929069T
Other languages
German (de)
Other versions
DE69929069T2 (en
Inventor
Anders Uvliden
Jonas Svedberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
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Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE69929069D1 publication Critical patent/DE69929069D1/en
Application granted granted Critical
Publication of DE69929069T2 publication Critical patent/DE69929069T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation
DE69929069T 1998-09-16 1999-08-24 PROCESS AND ADVICE FOR CELPING CODING AND DECODING Expired - Lifetime DE69929069T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9803164A SE521225C2 (en) 1998-09-16 1998-09-16 Method and apparatus for CELP encoding / decoding
SE9803164 1998-09-16
PCT/SE1999/001432 WO2000016314A2 (en) 1998-09-16 1999-08-24 Celp encoding/decoding method and apparatus

Publications (2)

Publication Number Publication Date
DE69929069D1 true DE69929069D1 (en) 2006-01-26
DE69929069T2 DE69929069T2 (en) 2006-07-20

Family

ID=20412632

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69929069T Expired - Lifetime DE69929069T2 (en) 1998-09-16 1999-08-24 PROCESS AND ADVICE FOR CELPING CODING AND DECODING

Country Status (15)

Country Link
US (2) US7146311B1 (en)
EP (1) EP1114413B1 (en)
JP (1) JP4651195B2 (en)
KR (1) KR100416362B1 (en)
CN (1) CN1143270C (en)
AR (1) AR020466A1 (en)
AU (1) AU756483B2 (en)
BR (1) BRPI9913756B8 (en)
CA (1) CA2343191C (en)
DE (1) DE69929069T2 (en)
MY (1) MY121083A (en)
SE (1) SE521225C2 (en)
TW (1) TW516275B (en)
WO (1) WO2000016314A2 (en)
ZA (1) ZA200101866B (en)

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FR2867649A1 (en) * 2003-12-10 2005-09-16 France Telecom OPTIMIZED MULTIPLE CODING METHOD
JP5174651B2 (en) * 2005-03-09 2013-04-03 テレフオンアクチーボラゲット エル エム エリクソン（パブル） Low complexity code-excited linear predictive coding
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KR100795727B1 (en) * 2005-12-08 2008-01-21 한국전자통신연구원 A method and apparatus that searches a fixed codebook in speech coder based on CELP
US8712766B2 (en) * 2006-05-16 2014-04-29 Motorola Mobility Llc Method and system for coding an information signal using closed loop adaptive bit allocation
ATE512437T1 (en) * 2006-11-29 2011-06-15 Loquendo Spa SOURCE DEPENDENT ENCODING AND DECODING WITH MULTIPLE CODEBOOKS
KR101398836B1 (en) * 2007-08-02 2014-05-26 삼성전자주식회사 Method and apparatus for implementing fixed codebooks of speech codecs as a common module
CN101971251B (en) * 2008-03-14 2012-08-08 杜比实验室特许公司 Multimode coding method and device of speech-like and non-speech-like signals
KR101520685B1 (en) * 2008-07-04 2015-05-15 엘지전자 주식회사 A method for avoiding inter-cell interference in a multi-cell environment using multiple codebook
US20120008687A1 (en) * 2010-07-06 2012-01-12 Apple Inc. Video coding using vector quantized deblocking filters
US9628821B2 (en) 2010-10-01 2017-04-18 Apple Inc. Motion compensation using decoder-defined vector quantized interpolation filters
EP3023985B1 (en) 2010-12-29 2017-07-05 Samsung Electronics Co., Ltd Methods for audio signal encoding and decoding
WO2012110448A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
MX2013009303A (en) 2011-02-14 2013-09-13 Fraunhofer Ges Forschung Audio codec using noise synthesis during inactive phases.
PL2661745T3 (en) 2011-02-14 2015-09-30 Fraunhofer Ges Forschung Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
TR201903388T4 (en) * 2011-02-14 2019-04-22 Fraunhofer Ges Forschung Encoding and decoding the pulse locations of parts of an audio signal.
AR085794A1 (en) 2011-02-14 2013-10-30 Fraunhofer Ges Forschung LINEAR PREDICTION BASED ON CODING SCHEME USING SPECTRAL DOMAIN NOISE CONFORMATION
SG192746A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Apparatus and method for processing a decoded audio signal in a spectral domain
AU2012217158B2 (en) 2011-02-14 2014-02-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Information signal representation using lapped transform

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Also Published As

Publication number Publication date
KR100416362B1 (en) 2004-01-31
WO2000016314A3 (en) 2000-06-08
EP1114413A2 (en) 2001-07-11
CA2343191C (en) 2009-10-27
AU6375699A (en) 2000-04-03
AU756483B2 (en) 2003-01-16
BR9913756A (en) 2001-06-05
CN1143270C (en) 2004-03-24
ZA200101866B (en) 2001-09-11
AR020466A1 (en) 2002-05-15
EP1114413B1 (en) 2005-12-21
JP4651195B2 (en) 2011-03-16
SE9803164D0 (en) 1998-09-16
WO2000016314A2 (en) 2000-03-23
CA2343191A1 (en) 2000-03-23
KR20010075133A (en) 2001-08-09
BRPI9913756B1 (en) 2016-07-05
BRPI9913756B8 (en) 2016-08-02
US20050096901A1 (en) 2005-05-05
US7146311B1 (en) 2006-12-05
JP2002525666A (en) 2002-08-13
CN1318189A (en) 2001-10-17
US7194408B2 (en) 2007-03-20
DE69929069T2 (en) 2006-07-20
SE521225C2 (en) 2003-10-14
SE9803164L (en) 2000-03-17
TW516275B (en) 2003-01-01
MY121083A (en) 2005-12-30

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